Matter
Anything that has mass and takes up space.
What is matter?
A single kind of matter that always has the same make-up or composition, cannot be separated by physical means.
What is a substance?
The elements in Glucose - C6H12O6
Carbon
Hydrogen
Oxygen
No definite shape or volume; free and loose particles
What is a gas?
Changes the way something looks.
What is a physical change?
The amount of matter in an object
What is mass?
Two or more substance that are together in the same place, but their atoms are not bonded together.
What is a mixture?
The number of total atoms in CaCO3
5
A definite volume, but not shape; a little loose particles.
What is a liquid?
Rearrangement of the atoms of one or more substances that forms at least one new substance.
What is a chemical change?
The amount of space an object takes up.
What is volume?
A substance made up of atoms with the same identity.
What is an element?
The number of total elements in NaCl
2 - Na, Cl
Changing from a liquid to gas
What is vaporization?
The kind of change when water and cornstarch mix to make oobleck.
What is a physical change?
The calculation for density
Mass/volume
Mixture in which two or more substance are evenly spread with a uniform appearance.
What is an homogenous mixture?
What is H2SO4 made of?
2 Hydrogens, 1 Sulfur, 4 Oxygens
Changing from a solid to gas.
What is sublimation?
The kind of change when two substances produce heat when combined.
What is a chemical change?
If the volume is 2 mL and the mass of a rock is 10 g, what is the density? A correct answer includes the number and the units.
5 g/mL
A kind of physical property that is always the same, no matter how much of the substance there is.
Intrinsic Property
The total number of atoms in C2H8O
What is deposition?
What are the 3 signs of a chemical change?
Odor, light/heat, gas formation, color change, precipitate